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Aeroseal

Aeroseal is a climate tech company on a mission -- reduce the world's carbon emissions by 1 gigaton annually. How will we do it? With our leak sealing technologies. Small leaks are a BIG problem -- The ducts and walls in buildings are inadequately sealed by manual solutions. Aeroseal’s technologies - HomeSeal Connect and AeroBarrier Connect - inject a fog of sealant particles into these pressurized spaces. Software tracks the entire process, creating a certificate of completion showing before and after leakage.Aeroseal is one of the fastest-growing clean technology companies in the U.S. and currently has a presence in 27 countries and all 50 states across the U.S. Our technology has sealed nearly 200,000 projects and saved nearly $2 billion in wasted energy.We were recently certified as a Great Place to Work for May 2022-2023. 93% of employees at Aeroseal, LLC say it is a great place to work compared to 57% of employees at a typical U.S.-based company.Click the link to see a summary of feedback from our employees. https://www.greatplacetowork.com/certified-company/7022720

Climate Technology Product ManufacturingCleanTechGreen BuildingGreenTechIndustrial Engineering

Aeroseal is a climate technology product manufacturing company headquartered in Miamisburg, Ohio, United States. The team counts 238 people, down 6% over the last year. Aeroseal has 1 open role right now and a website drawing 34K monthly visits.

Employees
238
-5.9% YoY
Founded
2010
Privately Held
Headquarters
Miamisburg
Ohio, USA
Total funding
$139M
Across 4 rounds
Monthly visits
34K
+89.3% QoQ
Top country
USA
Most employees
Headcount

Employee growth

Aeroseal grew from ~181 employees in February 2023 to 231 by December 2024, reaching 238 by September 2026, tracked weekly in Crustdata's proprietary dataset since February 2023.

Last 3 months
-2.9%
Last 6 months
-8.1%
Last 12 months
-5.9%
Last 2 years
+5.3%
Funding

Capital raised

Aeroseal has raised $139M across 4 rounds since 2021 - from a $20M Series B to a $67M Series B - most recently 137 days ago.

  1. Apr 2026

    In April 2026, Aeroseal raised $20M in a Series B round.

  2. Jul 2023

    In July 2023, Aeroseal raised $67M in a Series B round led by Climate Investment, with Breakthrough Energy Ventures participating.

  3. Feb 2023

    In February 2023, Aeroseal raised $30M in a Series B round led by Climate Investment.

  4. Jun 2021

    In June 2021, Aeroseal raised $22M in a Series A round led by Breakthrough Energy Ventures, with Energy Impact Partners and Building Ventures participating.

Cap table

Investors

Aeroseal's 4 backers include leading firms such as Breakthrough Energy Ventures, Climate Investment, Building Ventures, and Energy Impact Partners.

Firms (4)
Breakthrough Energy VenturesBuilding VenturesClimate InvestmentEnergy Impact Partners
Categorization

Industries & markets

Aeroseal is classified across the following industries, categories, and markets that Crustdata tracks for competitive analysis and sector benchmarking.

Categories
CleanTechGreen BuildingGreenTechIndustrial EngineeringMechanical EngineeringEnergy & UtilitiesEnergy, mining, utilities
Markets
Private
Top employee skills
Customer ServiceLeadershipProject ManagementManagementMicrosoft OfficeSalesMicrosoft ExcelStrategic PlanningBusiness DevelopmentMarketingCommunicationTeam Building

See the top Climate Technology Product Manufacturing companies ranked by size, growth and funding.

Hiring

Open positions

Aeroseal has 1 open role, 100% based in the US.

By location
United States
1 open · 100%
1
By seniority
Mid / Other
1 open · 100%
1

Aeroseal is hiring for 1 role in United States.

Growth

Aeroseal Growth Score

Aeroseal has a Crustdata Growth Score of 39 out of 100, which points to steady growth. Behind the number: headcount fell 6% year over year, web traffic grew 89% quarter over quarter, 1 role is open, and it last raised funding 5 months ago.

39/100
Steady growth
Based on 4 of 4 growth signals
Headcount growth -6% YoY
Web traffic trend +89% QoQ
Active hiring 1 open role
Recent funding Raised 5 months ago
FAQ

Aeroseal FAQs

Below are 11 of the most common questions about Aeroseal, answered with data tracked and refreshed weekly using Crustdata's proprietary dataset.

Company Overview (4)

What industry does Aeroseal operate in?

Aeroseal operates in Climate Technology Product Manufacturing.

When was Aeroseal founded?

Aeroseal was founded in 2010 and is based in Miamisburg.

Where is Aeroseal headquartered?

Aeroseal is headquartered in Miamisburg, Ohio.

Where can I find official profiles for Aeroseal?

Aeroseal can be found on their website at aeroseal.com, LinkedIn, and Twitter/X (@Aeroseal_llc).

People & Growth (3)

How many employees does Aeroseal have?

Aeroseal has 238 employees, with -5.9% year-over-year growth.

How much funding has Aeroseal raised?

Aeroseal has raised $139M across 4 disclosed funding rounds. The most recent disclosed round was $20M from a Series B round.

Who are Aeroseal's investors?

Aeroseal is backed by 4 institutional investors and 0 individual investors, including Breakthrough Energy Ventures, Building Ventures, Climate Investment, and Energy Impact Partners.

Markets & Operations (2)

Is Aeroseal publicly traded?

Aeroseal is privately held and is not listed on any public exchange.

What is Aeroseal's website traffic?

aeroseal.com receives approximately 34K monthly visitors, with 89.3% quarter-over-quarter growth.

Competitors (1)

Who are Aeroseal's competitors?

Aeroseal competes with 2 companies, including Big City Insulation and Air Barrier Association of America.

Growth (1)

What is Aeroseal's Crustdata Growth Score?

Aeroseal's growth score is 39 out of 100. The Crustdata Growth Score rates a company from 0 to 100 on how quickly it is growing, combining four signals: headcount growth, the number of open roles, web traffic trend, and how recently it last raised funding. A higher score means more of those signals are pointing up.